Method sendMatrix

SRC/database/FileDatastore.cpp:496–658

int 
FileDatastore::sendMatrix(int dataTag, int commitTag, 
		      const Matrix &theMatrix, 
		      ChannelAddress *theAddress)
{

  if (currentCommitTag != commitTag)
    this->resetFilePointers();

  currentCommitTag = commitTag;
  
  FileDatastoreOutputFile *theFileStruct;
  
  //
  // next we see if we already have this file; 
  //  if not we need to create data structure & open it
  //  if we have data structure, need to check file is opened (we close in a commit)
  //

  // we first ensure that the Matrix is not too big
  int noMatCols= theMatrix.noCols();
  int noMatRows = theMatrix.noRows();
  int matSize = noMatRows * noMatCols;;
  int stepSize = sizeof(int) + matSize*sizeof(double);

  theMatFilesIter = theMatFiles.find(matSize); 
  if (theMatFilesIter == theMatFiles.end()) {

    // we first check if we need to resize send buffer
    if (matSize > currentMaxDouble) {
      if (this->resizeDouble(matSize) < 0) {
	opserr << "FileDatastore::sendMatrix() - failed in resizeInt()\n";
	return -1;
      }
    }

    char *fileName = new char[strlen(dataBase)+21];
    theFileStruct = new FileDatastoreOutputFile;

    if (fileName == 0 || theFileStruct == 0) {
      opserr << "FileDatastore::sendMatrix() - out of memory\n";
      return -1;
    }

    static char intName[20];
    strcpy(fileName, dataBase);
    sprintf(intName,"%d.%d",matSize,commitTag);
    strcat(fileName,".MATs.");
    strcat(fileName,intName);
    
    if (this->openFile(fileName, theFileStruct, stepSize) < 0) {
      opserr << "FileDatastore::sendMatrix() - could not open file\n";
      delete [] fileName;
      return -1;
    } else
      theMatFiles.insert(MAP_FILES_TYPE(matSize, theFileStruct));

    delete [] fileName;